package com.ruoyi.scale.utils;

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;

import java.io.IOException;

public class JsonDoubleSerialize extends JsonSerializer<Double> {
    //    private DecimalFormat df = new DecimalFormat("##.00");
    @Override
    public void serialize(Double value, JsonGenerator gen, SerializerProvider serializers)
            throws IOException, JsonProcessingException {
        if (value != null) {
            gen.writeString(String.format("%2f",value));
        }
    }
}
